How to disable IOMMU on IBM POWER (ppc64) hardware, or alter IOMMU window sizes for RHEL (any version)

Solution Unverified - Updated -

Issue

  • Can I disable the IOMMU on IBM POWER hardware?
  • Can I alter the size of IOMMU DMA windows on IBM POWER hardware?

Environment

  • Red Hat Enterprise Linux 5 or 6
  • IBM POWER hardware

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content